sql server regular expression

dual;Select regexp_replace (' AA bb cc ', ' (. *) (. *) (. *) (. *) (. *) ', ' 3, 2, 1 ') from dual;Sql> select * from test;ID MC-------------------- ------------------------------------------------------------A AAAAAA AAAAAb bbbbb Sql> SELECT * FROM Test where regexp_like (ID, ' B ', ' I '); --No data case sensitive ID MC-------------------- -----------------------------------------------------

string: the preg_grep () function searches all elements in the array and returns all elements that match a certain pattern.Element array. Search mode: the preg_match () function searches strings in the search mode. If yes, true is returned. otherwise, false is returned. Small case of email verification (group application) All occurrences of the matching mode: the preg_match_all () function matches all occurrences of the pattern in the string, and thenPut all matched values into the arr

the example of a combination of regular expression of the use, after reading you will feel that writing UBB code so simple, as long as you follow me step-by-Step after reading this article you become a UBB master. The exciting thing is that you can write your own UBB tags and no longer have to go to other people to copy ready-made code and templates. Fortunately VBScritp5.0 gave us a "

SQL statement. This query can be a good example of how to shorten SQL length for long query conditions.If you want to download this article, please note that it is free from the copyright colorful, I do not like to see the people who have uploaded my work and do not mention it QQ9256114Regular expressions are a powerful way to specify patterns for complex searches.MySQL is implemented with Henry Spencer's

Analyze and check the regular expression of the email. How do we use to check the regular expression of email? What are the steps required to check the regular expression of email? If you want to check the

Regular Expressions are a powerful way to specify patterns for complex searches. MySQL adopts the Regular Expression of Henry Spencer, and its goal is to comply with POSIX 1003.2. SeeAppendix C: Thank you. MySQL adopts an extended version to support the pattern matching operation used with the Regexp operator in SQL st

Programming | network | Regular application Example With a more comprehensive understanding of regular expressions, you can use regular expressions in perl,php, as well as in programs such as ASP. The following is an example of the PHP language, using the verify that the e-mail address entered by the user online and the URL is in the correct format. PHP provide

verification)Verify mobile phone number (including 159, does not contain PHS)Verify phone number (very complex, vs.net2005 is wrong)Verify PassportVerify IP, verify domain authentication credit card (support Visa Card, MasterCard, Discover, American Express card)Verify ISBN International Standard ISBNVerify GUID Global Unique identifierVerifying file paths and extensionsValidating HTML color values ... ...I knowI've always had a pair of invisible wings.Take me to flyGive me hope.I finallySeeAll

In Linux, Unix-like systems, how do I use the regular expression of the Grep command?Linux comes with the GNU grep Command Tool, which supports extended regular expressions (extended regular expressions), and GNU grep is default on all Linux systems. The Grep command is used to search for any information stored on your

custom tags are commonly known as UBB code. Today's trendy forums support UBB code. Now, let's use the regular expression object together to implement our own colorful UBB code. First of all, your server side (IIS or PWS) to have a VBScript5.0 support environment, generally refers to the installation of ie5.x can already support the "

, Occurrence, Match_parameter) Source_string is required. It can be a string or variable with quotation marks. Pattern is a regular expression referenced by single quotes. Start_position specifies the exact position in the string. The default value is 1. Occurrence is an option that specifies which string should match relative to other strings during source string matching. Finally, match_parameter is also

Php regular expression failure-maximum backtracking (pcre. backtrack_limit)/recursive restrictions yesterday, a colleague was processing a regular expression collection program and found a strange phenomenon: the local regular expression